<?php

class ArticleController extends AweController
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
    public $layout = '//layouts/column2';

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view', array(
			'model' => $this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model = new Article;

        $this->performAjaxValidation($model, 'article-form');

        if(isset($_POST['Article']))
		{
            if (isset($_POST['Article']['catalog'])) {
                $model->catalog = $_POST['Article']['catalog'];
            }
            $model->attributes = $_POST['Article'];

            $modelImage = new Image;
            if (isset($_POST['Image'])) {
                $modelImage->attributes = $_POST['Image'];
            }

            if($modelImage->save()) {
                $model->image = $modelImage;
                $model->meta_data = $this->generateMetadata($model);
                if($model->save()) {
                    $this->redirect(array('view', 'id' => $model->id));
                }
            }
		}
            $this->render('create',array(
                'model' => $model,
            ));

    }

    private function generateMetadata($model) {
        return $model->title.'|'.$model->summary;
    }

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model = $this->loadModel($id);

        $this->performAjaxValidation($model, 'article-form');

		if(isset($_POST['Article']))
		{
                if (isset($_POST['Article']['catalog'])) $model->catalog = $_POST['Article']['catalog'];
                $model->catalog = array();
                if (isset($_POST['Article']['image'])) $model->image = $_POST['Article']['image'];
                $model->image = array();
			$model->attributes = $_POST['Article'];
			if($model->save()) {
				$this->redirect(array('view','id' => $model->id));
            }
		}

		$this->render('update',array(
			'model' => $model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
        $this->actionAdmin();
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model = new Article('search');
		$model->unsetAttributes(); // clear any default values
		if(isset($_GET['Article']))
			$model->attributes = $_GET['Article'];
        $count = Article::Model()->count("is_active=:is_active", array("is_active" => 0));

        $fromTrash = 0;
        if ($model->is_active == 0) {
            $fromTrash = 1;
        }

        $this->render('admin', array(
            'model' => $model,
            'trashNum' => $count,
            'fromTrash' => $fromTrash,
        ));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id, $modelClass=__CLASS__)
	{
		$model = Article::model()->findByPk($id);
		if($model === null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model, $form=null)
	{
		if(isset($_POST['ajax']) && $_POST['ajax'] === 'article-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
